[Android] Stop all media on undoable close.

content/browser/web_contents/web_contents_android.cc

Index: content/browser/web_contents/web_contents_android.cc
diff --git a/content/browser/web_contents/web_contents_android.cc b/content/browser/web_contents/web_contents_android.cc
index 26a70110b57363a81c24b59c6d95af7eda5d66f5..5dd421311e453eae0a8262bdf509b369f083c631 100644
--- a/content/browser/web_contents/web_contents_android.cc
+++ b/content/browser/web_contents/web_contents_android.cc
@@ -184,6 +184,15 @@ void WebContentsAndroid::OnShow(JNIEnv* env, jobject obj) {
   web_contents_->WasShown();
 }
 
+void WebContentsAndroid::ReleaseMediaPlayers(JNIEnv* env, jobject jobj) {
+  RenderViewHostImpl* rvhi = static_cast<RenderViewHostImpl*>(
+        web_contents_->GetRenderViewHost());

[qinmin, 2014/08/22 21:49:32]

nit: indent -2

[David Trainor- moved to gerrit, 2014/08/25 18:11:43]

Done.

+    if (rvhi && rvhi->GetMainFrame()) {

[qinmin, 2014/08/22 21:49:32]

indent -2 and below

[David Trainor- moved to gerrit, 2014/08/25 18:11:43]

Done.

+      rvhi->media_web_contents_observer()->ReleaseAllMediaPlayers(
+          rvhi->GetMainFrame());
+    }
+}
+
 void WebContentsAndroid::PauseVideo() {
   RenderViewHostImpl* rvhi = static_cast<RenderViewHostImpl*>(
       web_contents_->GetRenderViewHost());